Add ProtoTestBase to handle common SetUp and TearDown event
Check null before cleaning test core
Inherit test from ProtoTestBase
Inherit test from ProtoTestBase
Recommit some files
Fix build error
Dispose liverruner in the test
Use FFITarget.dll for import testing
Update wrong test case
Remove unnecessary override functions in MethodResolution test
Change access modifier from public to protected
Remove suffix string '_' from variable name
Remove the dependency on ProtoGeometry.dll in the test
Remove dependency on ProtoGeometry.dll and DSCoreNodes.dll
Merge pull request #3294 from ke-yu/fix_test_memory_leak

Fix memory leak in ProtoTest